45453144631 has 2 divisors, whose sum is σ = 45453144632. Its totient is φ = 45453144630.

The previous prime is 45453144629. The next prime is 45453144661. The reversal of 45453144631 is 13644135454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45453144631 - 2¹ = 45453144629 is a prime.

It is a super-2 number, since 2×45453144631² (a number of 22 digits) contains 22 as substring.

Together with 45453144629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45453144661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22726572315 + 22726572316.

It is an arithmetic number, because the mean of its divisors is an integer number (22726572316).

Almost surely, 2^45453144631 is an apocalyptic number.

45453144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45453144631 is an equidigital number, since it uses as much as digits as its factorization.

45453144631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

The spelling of 45453144631 in words is "forty-five billion, four hundred fifty-three million, one hundred forty-four thousand, six hundred thirty-one".